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   <div id="projectname">Context Free LALR1 compiler
   &#160;<span id="projectnumber">1.1</span>
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<div class="title">src/error/ErrorManager.java</div>  </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="keyword">package </span>error;
<a name="l00002"></a>00002 
<a name="l00003"></a>00003 <span class="keyword">import</span> org.apache.log4j.Logger;
<a name="l00004"></a>00004 
<a name="l00005"></a>00005 
<a name="l00006"></a><a class="code" href="classerror_1_1_error_manager.html">00006</a> <span class="keyword">public</span> <span class="keyword">final</span> <span class="keyword">class </span><a class="code" href="classerror_1_1_error_manager.html">ErrorManager</a> {
<a name="l00007"></a>00007         <span class="keyword">static</span> Logger logger = Logger.getLogger(<a class="code" href="classerror_1_1_error_manager.html">ErrorManager</a>.class.getName());
<a name="l00008"></a>00008 
<a name="l00009"></a>00009         <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">void</span> manage(<a class="code" href="enumerror_1_1_e_r_r_o_r___t_y_p_e.html">ERROR_TYPE</a> type){
<a name="l00010"></a>00010                 <span class="keywordflow">switch</span>(type){
<a name="l00011"></a>00011                 <span class="keywordflow">case</span> FILE_EXTENSION:
<a name="l00012"></a>00012                         logger.error(<span class="stringliteral">&quot;ERROR: The extension of input file is not allowed\n&quot;</span>);
<a name="l00013"></a>00013                         <span class="comment">//TODO log4j</span>
<a name="l00014"></a>00014                         <span class="keywordflow">break</span>;
<a name="l00015"></a>00015                 <span class="keywordflow">case</span> FILE_FORMAT:
<a name="l00016"></a>00016                         logger.error(<span class="stringliteral">&quot;ERROR: Incorrect format: \n Remember that the file must have this form:\n&quot;</span>);
<a name="l00017"></a>00017                         System.out.println(
<a name="l00018"></a>00018                                         <span class="stringliteral">&quot;Example:\nS::= { S: TE | +TE; T: FT | xFT; E : eps; F: a | (E)}&quot;</span>);
<a name="l00019"></a>00019                 }
<a name="l00020"></a>00020         }
<a name="l00021"></a>00021         
<a name="l00022"></a>00022         <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">void</span> manage(<a class="code" href="enumerror_1_1_e_r_r_o_r___t_y_p_e.html">ERROR_TYPE</a> type, Exception e) <span class="keywordflow">throws</span> Exception{
<a name="l00023"></a>00023                 <span class="keywordflow">switch</span>(type){
<a name="l00024"></a>00024                         <span class="keywordflow">case</span> INPUT_FILE:
<a name="l00025"></a>00025                                 System.out.println(<span class="stringliteral">&quot;Problem with input file:\n&quot;</span> + e);
<a name="l00026"></a>00026                                 <span class="comment">//TODO log4j</span>
<a name="l00027"></a>00027                                 <span class="keywordflow">break</span>;
<a name="l00028"></a>00028                         <span class="keywordflow">case</span> INVALID_GRAMMAR:
<a name="l00029"></a>00029                                 System.out.println(<span class="stringliteral">&quot;Contex-free incompleto si ricorda che il contex free � composto da 4 righe contenti rispettivamente:/n Assioma/n Non Terminali /n Non Terminali/n Produzioni nella forma A::=bBc, B::= (C)/n gli elementi della produzione non devono essere separati da uno spazio&quot;</span>);
<a name="l00030"></a>00030                                 <span class="comment">//TODO log4j</span>
<a name="l00031"></a>00031                                 <span class="keywordflow">break</span>;
<a name="l00032"></a>00032                         <span class="keywordflow">case</span> LOOKAHEAD_GENERATION_ERROR:
<a name="l00033"></a>00033                                 logger.error(<span class="stringliteral">&quot;Errore nella generazione spontanea dei simboli&quot;</span>,e);
<a name="l00034"></a>00034                                 <span class="keywordflow">break</span>;
<a name="l00035"></a>00035                         <span class="keywordflow">case</span> LOOKAHEAD_PROPAGATION_ERROR:
<a name="l00036"></a>00036                                 logger.error(<span class="stringliteral">&quot;Errore nella propagazione dei simboli&quot;</span>,e);
<a name="l00037"></a>00037                         <span class="keywordflow">case</span> TABLE_CONSTRUCTION:
<a name="l00038"></a>00038                                 logger.error(<span class="stringliteral">&quot;Errore nella costruzione delle tabelle di ACTION - GOTO&quot;</span>,e);
<a name="l00039"></a>00039                                 <span class="keywordflow">throw</span> <span class="keyword">new</span> Exception(<span class="stringliteral">&quot;Errore nella costruzione delle tabelle di ACTION - GOTO&quot;</span>,e);
<a name="l00040"></a>00040                         <span class="keywordflow">case</span> LALR1_INIT:
<a name="l00041"></a>00041                                 logger.error(<span class="stringliteral">&quot;Errore nell&#39;inizializzazione della struttura LALR1&quot;</span>,e);
<a name="l00042"></a>00042                                 <span class="keywordflow">throw</span> <span class="keyword">new</span> Exception(<span class="stringliteral">&quot;LALR1 init error&quot;</span>,e);
<a name="l00043"></a>00043                         <span class="keywordflow">default</span>:
<a name="l00044"></a>00044                                 <span class="keywordflow">break</span>;
<a name="l00045"></a>00045                         
<a name="l00046"></a>00046                 }
<a name="l00047"></a>00047                 e.printStackTrace();
<a name="l00048"></a>00048         }
<a name="l00049"></a>00049         
<a name="l00050"></a>00050 }
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